On 2010-07-29, Lloyd E. Sponenburgh lloydspinsidemindspring.com wrote:
Jon Elson fired this volley in
news

What concerns me is the rate of rise, which is some measure of the heat
output. My spindle gets hot, too, but it
takes at least a half hour or more to get near this temp.


Iggy was gumming up in aluminum during this session, no?

No. Wax.

Maybe it's partly heat conducted up through the cutter and tool holder.

could not be